Walker 235-91085 Engine Camshaft Position Sensor

Engine Camshaft Position Sensor for Nissan and INFINITI

Walker Products FSK 235-91085 is an engine camshaft position sensor built for direct-fit replacement on select Nissan and INFINITI applications. It supports accurate camshaft signal input for engine management systems across a broad range of V8 and four-cylinder vehicles.

Compatible With 2000-2017 Nissan Sentra, Armada, TITAN, Pathfinder, NV2500, and NV3500, plus select INFINITI M45, QX56, FX45, and Q45 models. This part number, 235-91085, is a practical OE-style service option for common camshaft sensor replacement needs.

Walker Products FSK Line

Walker Products FSK is part of Walker’s engine sensor offering, backed by the company’s long history in fuel system and engine management components. The line is supported by in-house manufacturing, product management, engineering, and technical resources, with production aligned to OEM standards and specifications.

Key Features

• Engine camshaft position sensor for ignition and engine management service
• Direct-fit application coverage for select Nissan and INFINITI vehicles
• Walker Products FSK part number 235-91085
• Built by an ISO 9001/IATF16949 certified manufacturer
• Supports accurate camshaft signal reporting to the engine control system

Detailed Description

Walker Products 235-91085 is used in camshaft position sensor replacement service where the engine control module relies on a stable cam signal for timing and synchronization. It is listed for 2000-2006 Nissan Sentra, 2005-2015 Nissan Armada, 2004-2015 Nissan TITAN, 2008-2012 Nissan Pathfinder, 2012-2017 Nissan NV2500 and NV3500, and select INFINITI M45, QX56, FX45, and Q45 models. If you are sourcing a camshaft position sensor for a Nissan TITAN, Nissan Armada, or INFINITI QX56, this part number should be checked against the vehicle’s exact engine and build details before ordering.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Replacement Reasons

• Check engine light related to camshaft position sensor faults
• Hard starting or extended crank conditions
• Rough idle or intermittent stalling
• Engine misfire or timing-related drivability concerns
• Loss of camshaft signal to the engine control module

Installation Notes and Tips

Verify the connector style, engine configuration, and model year before installation. On vehicles such as the Nissan Armada, Nissan TITAN, and INFINITI FX45, confirm the sensor location against the original part and service information, then clear diagnostic trouble codes after repair and perform a road test.

Quality Assurance

Walker Products states that its engine sensors are manufactured to meet or exceed OEM standards and specifications. The company’s ISO 9001/IATF16949 certification and engineering support help maintain consistency in product application and technical documentation.